Sheviis

one may lend kitchen equipment to one suspected of violating Sheviis or impurity laws, but may not assist in the forbidden work to not assist a sinner, lending permitted due to peaceful ways, may encourage a non Jew working on shemittah due to peaceful ways

sourdough of combinations of terumah and Sheviis that fell into dough, neither is enough to leaven on its own

sourdough of combinations of terumah and Sheviis that fell into dough, neither is enough to leaven on its own

storekeeper selling but only charging for non Sheviis ingredients or his lost work time

tevel nullifies terumah, remove seah from mixture and designate its required tithes, aftergrowths of Sheviis nullifies terumah, given to those who will eat it